The next step toward developing better self-discipline is being conscious of when you are disciplined and when you are not and what is going on with you at the time. Are you nervous, tired, anxious, telling yourself that your art is no good? All these negative emotions and self-talk get in the way of us doing the best we can to promote our art and reach other goals.
Be aware of when you feel yourself slipping and notice where you are, what you are doing and how you are feeling. This will start to shed some light on the ways that you sabotage yourself. For instance, I know that I eat more junk food when I am tired and I also lose my positive attitude then, too. Ways that I combat this are getting enough sleep (duh!) and starting my day with positive affirmations and goals. I write down 5 things that I am grateful for. This simple exercise keeps me focused and gives me perspective. I heard of this practice from the Secret and Alyson Stanfield of ArtBiz.com. This is one of the greatest gifts that you can give yourself especially during this time of thanks.
Building self-discipline take times but as you become more aware of your undisciplined times, you will be able to stop yourself before you completely lose your momentum. Let me know what works for you!